Convert to ICD-10-CM: 
307.49 converts approximately to:
- 2015/16 ICD-10-CM F51.8 Other sleep disorders not due to a substance or known physiological condition
 ICD-9-CM Volume 2 Index entries containing back-references to 
307.49:
- Disorder - see also Disease psychogenic NEC (see also condition) 300.9 psychogenic NEC (see also condition) 300.9 
  sleep 780.50 sleep 780.50   with apnea - see Apnea, sleep with apnea - see Apnea, sleep
  alcohol induced 291.82 alcohol induced 291.82 
  arousal 307.46 arousal 307.46 
  circadian rhythm 327.30 circadian rhythm 327.30 
  drug induced 292.85 drug induced 292.85 
  initiation or maintenance (see also Insomnia) 780.52 initiation or maintenance (see also Insomnia) 780.52    nonorganic origin (transient) 307.41 nonorganic origin (transient) 307.41 
 
  nonorganic origin 307.40 nonorganic origin 307.40    specified type NEC 307.49 specified type NEC 307.49
 
  organic specified type NEC 327.8 organic specified type NEC 327.8 
  periodic limb movement 327.51 periodic limb movement 327.51 
  specified NEC 780.59 specified NEC 780.59 
  wake wake   cycle -  see Disorder, sleep, circadian rhythm cycle -  see Disorder, sleep, circadian rhythm
   schedule -  see Disorder, sleep, circadian rhythm schedule -  see Disorder, sleep, circadian rhythm
 
 
 
- Disturbance - see also Disease sleep 780.50 sleep 780.50   with apnea - see Apnea, sleep with apnea - see Apnea, sleep
  initiation or maintenance (see also Insomnia) 780.52 initiation or maintenance (see also Insomnia) 780.52 
  nonorganic origin 307.40 nonorganic origin 307.40    specified type NEC 307.49 specified type NEC 307.49
 
  specified NEC 780.59 specified NEC 780.59 
  wakefulness (see also Hypersomnia) 780.54 wakefulness (see also Hypersomnia) 780.54 
 
 
- Insomnia, unspecified 780.52  subjective complaint 307.49 subjective complaint 307.49
 
- Pseudoinsomnia 307.49
- Short, shortening, shortness sleeper 307.49 sleeper 307.49
 
- Sleep disorder 780.50 disorder 780.50   with apnea - see Apnea, sleep with apnea - see Apnea, sleep
  child 307.40 child 307.40 
  movement, unspecified 780.58 movement, unspecified 780.58 
  nonorganic origin 307.40 nonorganic origin 307.40    specified type NEC 307.49 specified type NEC 307.49
 
 
  disturbance 780.50 disturbance 780.50   with apnea - see Apnea, sleep with apnea - see Apnea, sleep
  nonorganic origin 307.40 nonorganic origin 307.40    specified type NEC 307.49 specified type NEC 307.49